Mary Katherine Johnson, MS, CCC-SLP
Speech-Language Pathologist · Quincy, MA
Mary Katherine Johnson, MS, CCC-SLP is a speech-language pathologist with a practice address in Quincy, Massachusetts, and NPI 1285116624, issued on Sep 2, 2018. Check the license (Massachusetts 77343-SP-SL, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Katherine Johnson
- Credential
- MS, CCC-SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- 77343-SP-SL MA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Moon Island RD, Quincy, MA 02171
- Phone
- (781) 864-9049
- Enumerated
- Sep 2, 2018
- Record last updated
- May 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 3,980 in Massachusetts → Look up another NPI →
Also registered at 2 Moon Island RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn ArtesaniMental Health Counselor1568020139
- Teresa FaberSpeech-Language Pathologist1033538418
- Lindsay MarronStudent in an Organized Health Care Education/Training Program1043628019
- Kelsi MurphyStudent in an Organized Health Care Education/Training Program1447616719
- Quechi NguyenStudent in an Organized Health Care Education/Training Program1033584396
- Casey O'BryanCase Manager/Care Coordinator1760889125
Verify Mary Katherine Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 77343-SP-SLCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Katherine Johnson among 3,980 speech-language pathologist records in Massachusetts
Mary Katherine Johnson, MS, CCC-SLP is one of 3,980 speech-language pathologist records with a practice address in Massachusetts. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2018, is newer than 63% of them.
- NPI issued2018 · 63% of these records are older, 32% newer
- In a Medicare fileNo · 1% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2021 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 speech-language pathologist records list a practice address in Quincy
They are 51 of the 2,716 NPPES records with a practice address in Quincy, and 3,980 speech-language pathologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,980 in Massachusetts → Every provider in Quincy → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Kathleen Carroll, MS CCCSLPQuincy, MA 021711073618542
- Christina ColleyQuincy, MA 021711639429913
- Amelia Dicicco, M.S.Quincy, MA 021711962814483
- Colleen DoyleQuincy, MA 021711336497528
- Karen Dwyer, LICSWQuincy, MA 021711326210790
- Teresa FaberQuincy, MA 021711033538418
- Fern FelmanQuincy, MA 021711336231000
- Janet Finnegan-Kelly, M.S.C.C.C.S.L.P.Quincy, MA 021711205984481
Common questions
What is Mary Katherine Johnson, MS, CCC-SLP's NPI number?
Mary Katherine Johnson, MS, CCC-SLP's National Provider Identifier (NPI) is 1285116624, issued on Sep 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mary Katherine Johnson, MS, CCC-SLP located?
The NPPES record lists a practice address at 2 Moon Island RD, Quincy, MA, 02171. Phone: (781) 864-9049. Providers update this record themselves, so call before visiting.
How can I verify Mary Katherine Johnson, MS, CCC-SLP's license?
NPPES lists Massachusetts license number 77343-SP-SL, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.